Forming mold for plastic bottle production and bottle blowing machine

By designing a molding mold and a blower for plastic bottle production including base, cylinder, mold seat, cooling component and other components, the screw rod and gear system driven by a servo motor can be used to realize the rapid movement of the mold and the lifting of the cooling fan. The problem of low cooling efficiency of existing bottle blowers is solved, and the cooling speed and efficiency are significantly improved.

CN119408120AInactive Publication Date: 2025-02-11ZHEJIANG BOJIA PACKING CO LTD
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Patent Information

Application Number
CN202411688160.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-02-11
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing bottle blowers are less efficient when cooling plastic bottles, resulting in reduced working efficiency.

Method used

A molding mold and a bottle blower for plastic bottle production including base, cylinder, mold seat, cooling component and other components are designed. The screw and gear system driven by the servo motor realize rapid movement of the mold and lifting of the cooling fan, improving cooling efficiency.

Benefits of technology

The screw and gear system driven by the servo motor realize rapid movement of the mold and lifting and lowering of the cooling fan, which significantly improves the speed and efficiency of the plastic bottle cooling and improves the overall working efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a forming mold for plastic bottle production and a bottle blowing machine, and belongs to the field of bottle blowing machines. Comprising a base, and supporting rods are fixedly connected to the four corners of the bottom of the base; the number of the installation seats is two, and the installation seats are symmetrically and fixedly connected to the base. The two air cylinders are fixedly connected to the ends, close to each other, of the two mounting seats; the two die seats are fixedly connected to an output shaft of the air cylinder; the mold groove is formed in the mold base; the moving seat is arranged on the base in a sliding manner, and the moving seat corresponds to the mold seat; the moving assembly is arranged on the base and used for moving the moving seat; the bottle blowing machine body is arranged on the base; the limiting seat is arranged on the bottle blowing machine body, and a limiting groove is formed in the limiting seat; the bottle blowing head is arranged at one end of the bottle blowing machine, and the bottle blowing head corresponds to the limiting groove; and the cooling assembly is arranged on the base. The forming mold for plastic bottle production and the bottle blowing machine have the beneficial effect that the forming mold for plastic bottle production and the bottle blowing machine are provided.
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Description

Technical Field

[0001] The present application relates to the field of bottle blowing machines, and more specifically, to a molding mold and a bottle blowing machine for producing plastic bottles. Background Art

[0002] A bottle blowing machine is a device that uses a blow molding process to make plastic fluids into hollow containers. Currently, the production and processing of 20L plastic bottles all use a two-step bottle blowing process, where the PET raw material is first made into a bottle blank, and then the bottle blank is heated and blown into the required plastic bottle body.

[0003] The structure of the product can refer to a plastic processing bottle blowing machine disclosed in Chinese patent document 201821170, which includes a support frame, the middle of the two sides of the inner cavity of the support frame are respectively fixedly connected to one side of two fixed frames I, the top of the fixed frame I is fixedly installed with a transmission cylinder, one end of the transmission cylinder is connected to the internal movable sleeve of one side of the shock absorbing device, the other side of the shock absorbing device is fixedly connected to the middle of one side of the connecting plate, the upper and lower sides of the connecting plate are respectively threadedly connected to the middle of one side of the mold I through two fixing nuts, and the inner wall of the mold I contacts one side of the outer wall of the plastic bottle. The plastic processing bottle blowing machine, through the cooperation of the water tank, the water pump and the connecting water pipe I, is convenient for better injecting the cooling water in the water tank into the interior of the mold I and the mold II, and then cooling and molding the plastic bottle body, thereby avoiding the problem of slow natural cooling and molding speed of the plastic bottle body, and effectively improving the working efficiency of the bottle blowing machine.

[0004] After the bottle blowing machine has finished blow molding, the preform needs to be cooled, but in this patent, the cooling efficiency is low, thereby reducing the working efficiency.

[0005] A forming mold and a bottle blowing machine for producing plastic bottles are now provided. Summary of the invention

[0006] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0007] In order to solve the technical problems mentioned in the above background technology part, some embodiments of the present application provide a forming mold and a blow molding machine for plastic bottle production, including: a base, with support rods fixedly connected at the four corners of the bottom; a mounting seat, which is set in two and symmetrically fixed to the base; a cylinder, which is set in two and fixed to one end of the two mounting seats close to each other; a mold seat, which is set in two and fixed to the output shaft of the cylinder; a mold groove, which is opened on the mold seat; a movable seat, which is slidably set on the base, and the movable seat corresponds to the mold seat; a movable assembly, which is set on the base and is used to move the movable seat; a blow molding machine body, which is set on the base; a limit seat, which is set on the blow molding machine body, and a limit groove is set on the limit seat; a blow molding head, which is set at one end of the blow molding machine, and the blow molding head corresponds to the limit groove; a cooling assembly, which is set on the base.

[0008] Furthermore, the moving component includes a first servo motor, a connecting seat is fixedly connected to the base, the first servo motor is fixedly connected to the connecting seat, and a first screw rod is fixedly connected to the connecting seat, and the first screw rod is threadedly connected to the moving seat, and the output shaft of the first servo motor is fixedly connected to the first screw rod.

[0009] Furthermore, a first limiting rod is fixedly connected to the connecting seat, the first limiting rod passes through the movable seat, and the first limiting rod and the movable seat are slidably installed.

[0010] Furthermore, the movable seat includes a rotating seat and a moving bar, the moving bar is threadedly connected to the first screw rod, and the moving bar is slidably installed with the first limit rod, the rotating seat is arranged on the moving bar, and a rotating rod is fixedly connected to the bottom of the rotating seat, and the rotating rod is rotatably installed on the moving bar, and a rotating assembly is arranged on the base.

[0011] Furthermore, the rotating assembly includes a gear, the gear is fixedly connected to the bottom of the rotating rod, a rack is arranged on the base, and the gear is meshed with the gear, and a moving assembly is arranged on the base.

[0012] Furthermore, the moving component includes a third screw rod, a mounting block is fixedly connected to the base screw rod, the third screw rod is rotatably mounted on the mounting block, a second servo motor is fixedly connected to the mounting block, and the output shaft of the second servo motor is fixedly connected to the third screw rod, a connecting block is fixedly connected to the rack, and the connecting block is threadedly connected to the third screw rod.

[0013] Furthermore, the cooling assembly includes a cooling fan and a lifting plate, the lifting plate is arranged on a base, and the cooling fan is arranged on the base, the air outlet of the cooling fan is connected to a connecting pipe, and a plurality of air outlets are evenly arranged on the connecting pipe, and the air outlet pipe of the cooling fan passes through the lifting plate, and a lifting assembly is arranged on the base.

[0014] Furthermore, the lifting assembly includes a second screw rod, which is rotatably mounted on the base and threadedly connected to the lifting plate. A second limit rod is fixed to the base and slidably mounted on the lifting plate. A linkage assembly is arranged between the second screw rod and the third screw rod.

[0015] Furthermore, the linkage assembly includes a turbine and a worm, the worm is fixedly connected to the third screw, the turbine is fixedly connected to the second screw, and the turbine is meshed with the worm.

[0016] Furthermore, a magnet is movably arranged on the limiting plate.

[0017] The beneficial effects of this application are:

[0018] 1. When bottle blowing is required, the cylinder can be started to move the two mold seats away from each other, so that the molds in the two mold grooves are separated from the mold seats and located on the rotating seat. Then the first servo motor can be started to rotate the first screw driven by the output shaft of the first servo motor, so that the moving bar moves, so that the rotating seat drives the mold to move, and slowly approaches the bottle blowing machine, so that the bottle mouth of the preform enters the limiting groove, and a magnet is put in. Under the action of the magnet, the bottle mouth is limited.

[0019] Second, the gear and the rack are meshed at the same time, and then the bottle mouth is blown through the bottle blowing head. After the blow molding is completed, the second servo motor can be started, so that the output shaft of the second servo motor drives the third screw to rotate, so that the connecting block moves back and forth, so that the rack moves back and forth, so that the gear rotates back and forth, so that the rotating rod rotates back and forth, so that the rotating seat rotates back and forth, and the bottle blank rotates back and forth. The speed of subsequent cooling is accelerated.

[0020] 3. The cooling fan can be started to cool the mold. At the same time, the second screw is rotated under the action of the engagement of the turbine and the worm, and the cooling fan is raised and lowered under the action of the second limit rod, thereby improving the cooling effect and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0022] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0023] In the attached picture:

[0024] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0025] Figure 2 It is a schematic diagram of the three-dimensional structure;

[0026] Figure 3 It is a cross-sectional view;

[0027] Figure 4 is a cross-sectional view of the base;

[0028] Figure 5 yes Figure 1 A magnified view of part A;

[0029] Figure 6 yes Figure 3 A magnified view of part B;

[0030] Figure 7 yes Figure 3 Enlarged view of part C;

[0031] Figure 8 yes Figure 4 Enlarged view of part D.

[0032] Reference numerals:

[0033] 1. Base; 2. Support rod; 3. Connecting seat; 4. Mold seat; 5. Mold slot; 6. Mounting block; 7. Third screw rod; 8. Magnet; 9. Limiting slot; 10. Bottle blowing head; 11. Limiting seat; 12. Bottle blowing machine body; 13. Second screw rod; 14. Lifting plate; 15. Cooling fan; 16. Second limiting rod; 17. Mounting seat; 18. Cylinder; 19. First servo motor; 20. Rotating seat; 21. Rack; 22. Connecting pipe; 23. Air outlet; 24. Turbine; 25. Moving bar; 26. Rotating rod; 27. Gear; 28. Second servo motor; 29. ​​First limiting rod; 30. Worm; 31. First screw rod; 32. Connecting block. DETAILED DESCRIPTION

[0034] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0035] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0036] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0037] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0038] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0039] Reference Figure 1-8 A forming mold and a bottle blowing machine for producing plastic bottles, comprising: a base 1, a mounting base 17, a cylinder 18, a mold base 4, a mold slot 5, a movable base, a movable assembly, a bottle blowing machine body 12, a limit seat 11, a bottle blowing head 10, and a cooling assembly. Support rods 2 are fixedly connected at the four corners of the bottom of the base 1. Two mounting bases 17 are provided, and are symmetrically fixed to the base 1. Two cylinders 18 are provided, and are fixed to one end of the two mounting bases 17 that are close to each other. Two mold bases 4 are provided, and are fixed to the output shaft of the cylinder 18. The mold slot 5 is provided on the mold base 4. The movable base is slidably provided on the base 1, and the movable base corresponds to the mold base 4. The movable assembly is provided on the base 1, and is used to move the movable base. The bottle blowing machine body 12 is provided on the base 1. The limit seat 11 is provided on the bottle blowing machine body 12, and the limit slot 9 is provided on the limit seat 11. The bottle blowing head 10 is arranged on one end of the bottle blowing machine, and the bottle blowing head 10 corresponds to the limiting groove 9. The cooling component is arranged on the base 1.

[0040] The moving assembly includes a first servo motor 19, a connecting seat 3 is fixedly connected to the base 1, the first servo motor 19 is fixedly connected to the connecting seat 3, and a first screw rod 31 is fixedly connected to the connecting seat 3, and the first screw rod 31 is threadedly connected to the moving seat, and the output shaft of the first servo motor 19 is fixedly connected to the first screw rod 31.

[0041] Therefore, a first limiting rod 29 is fixedly connected to the connecting seat 3 , the first limiting rod 29 passes through the moving seat, and the first limiting rod 29 and the moving seat are slidably installed.

[0042] The movable seat includes a rotating seat 20 and a moving bar 25, the moving bar 25 is threadedly connected to the first screw rod 31, and the moving bar 25 is slidably installed with the first limit rod 29, the rotating seat 20 is arranged on the moving bar 25, and a rotating rod 26 is fixedly connected to the bottom of the rotating seat 20, and the rotating rod 26 is rotatably installed on the moving bar 25, and a rotating component is arranged on the base 1.

[0043] The rotating assembly includes a gear 27 , and the gear 27 is fixed to the bottom of the rotating rod 26 . A rack 21 is provided on the base 1 , and the gear 27 is meshed with the gear 27 . A moving assembly is provided on the base 1 .

[0044] The moving assembly includes a third screw rod 7, a mounting block 6 is fixedly connected to the screw rod of the base 1, the third screw rod 7 is rotatably mounted on the mounting block 6, a second servo motor 28 is fixedly connected to the mounting block 6, and the output shaft of the second servo motor 28 is fixedly connected to the third screw rod 7, a connecting block 32 is fixedly connected to the rack 21, and the connecting block 32 is threadedly connected to the third screw rod 7.

[0045] The cooling assembly includes a cooling fan 15 and a lifting plate 14, the lifting plate 14 is arranged on the base 1, and the cooling fan 15 is arranged on the base 1, the air outlet 23 of the cooling fan 15 is connected to a connecting pipe 22, and a plurality of air outlets 23 are evenly arranged on the connecting pipe 22, and the air outlet pipe of the cooling fan 15 passes through the lifting plate 14, and a lifting assembly is arranged on the base 1.

[0046] The lifting assembly includes a second screw rod 13, which is rotatably mounted on the base 1 and is threadedly connected to the lifting plate 14. A second limit rod 16 is fixed to the base 1, and the second limit rod 16 is slidably mounted on the lifting plate 14. A linkage assembly is arranged between the second screw rod 13 and the third screw rod 7.

[0047] The linkage assembly includes a turbine 24 and a worm 30. The worm 30 is fixed to the third screw 7. The turbine 24 is fixed to the second screw 13. The turbine 24 is meshed with the worm 30. A magnet 8 is movably arranged on the limit plate.

[0048] Working process: when bottle blowing is required, the cylinder 18 can be started to move the two mold seats 4 away from each other, so that the molds in the two mold grooves 5 are separated from the mold seats 4 and located on the rotating seat 20. Then the first servo motor 19 can be started to rotate the first screw 31 of the output shaft of the first servo motor 19, so that the moving bar 25 moves, so that the rotating seat 20 drives the mold to move and slowly approach the bottle blowing machine, and the bottle mouth of the preform enters the limiting groove 9, and the magnet 8 is put in. Under the action of the magnet 8, the bottle mouth is limited, thereby playing the role of limiting the entirety, and at the same time the gear 27 is meshed with the rack 21, and then through The bottle blowing head 10 blows the bottle mouth. After the blow molding, the second servo motor 28 can be started, so that the output shaft of the second servo motor 28 drives the third screw 13 to rotate, so that the connecting block 32 moves back and forth. The rack 21 moves back and forth, so that the gear 27 rotates back and forth, so that the rotating rod 26 rotates back and forth, so that the rotating seat 20 rotates back and forth, and the bottle blank rotates back and forth. At the same time, the cooling fan 15 can be started to cool the mold. At the same time, under the action of the engagement of the turbine 24 and the worm 30, the second screw 7 rotates, and under the action of the second limit rod 16, the cooling fan 15 is raised and lowered, thereby improving the cooling effect and efficiency.

[0049] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. A forming mold and a bottle blowing machine for producing plastic bottles, comprising: The base has support rods fixedly connected to the four corners of the bottom; Features: The molding mold and bottle blowing machine for producing plastic bottles also include: There are two mounting seats, which are symmetrically fixed on the base; The cylinder is provided in two pieces and fixedly connected to the ends of the two mounting seats close to each other; The mold base is provided in two pieces and is fixedly connected to the output shaft of the cylinder; A mold groove is provided on the mold base; A movable seat is slidably arranged on the base, and the movable seat corresponds to the mold seat; A moving assembly, arranged on the base, for moving the moving seat; The bottle blowing machine body is arranged on the base; The limit seat is arranged on the bottle blowing machine body, and a limit slot is arranged on the limit seat; A bottle blowing head is arranged at one end of the bottle blowing machine, and the bottle blowing head corresponds to the limiting groove; The cooling component is arranged on the base.

2. The forming mold and bottle blowing machine for plastic bottle production according to claim 1, characterized in that: The moving assembly includes a first servo motor, a connecting seat is fixedly connected to the base, the first servo motor is fixedly connected to the connecting seat, and a first screw rod is fixedly connected to the connecting seat, and the first screw rod is threadedly connected to the moving seat, and the output shaft of the first servo motor is fixedly connected to the first screw rod.

3. The forming mold and bottle blowing machine for plastic bottle production according to claim 2, characterized in that: Therefore, a first limiting rod is fixedly connected to the connecting seat, the first limiting rod passes through the moving seat, and the first limiting rod is slidably installed with the moving seat.

4. The forming mold and bottle blowing machine for plastic bottle production according to claim 1, characterized in that: The moving seat includes a rotating seat and a moving bar, the moving bar is threadedly connected to the first screw rod, and the moving bar is slidably installed with the first limit rod, the rotating seat is arranged on the moving bar, and a rotating rod is fixedly connected to the bottom of the rotating seat, and the rotating rod is rotatably installed on the moving bar, and a rotating assembly is arranged on the base.

5. The forming mold and bottle blowing machine for plastic bottle production according to claim 4, characterized in that: The rotating assembly comprises a gear, the gear is fixedly connected to the bottom of the rotating rod, a rack is arranged on the base, and the gear is meshed with the gear, and a moving assembly is arranged on the base.

6. The forming mold and bottle blowing machine for plastic bottle production according to claim 5, characterized in that: The moving component includes a third screw rod, a mounting block is fixedly connected to the base screw rod, the third screw rod is rotatably mounted on the mounting block, a second servo motor is fixedly connected to the mounting block, and the output shaft of the second servo motor is fixedly connected to the third screw rod, a connecting block is fixedly connected to the rack, and the connecting block is threadedly connected to the third screw rod.

7. The forming mold and bottle blowing machine for plastic bottle production according to claim 1, characterized in that: The cooling component includes a cooling fan and a lifting plate, the lifting plate is arranged on a base, and the cooling fan is arranged on the base, the air outlet of the cooling fan is connected with a connecting pipe, and a plurality of air outlets are evenly arranged on the connecting pipe, and the air outlet pipe of the cooling fan passes through the lifting plate, and a lifting component is arranged on the base.

8. The forming mold and bottle blowing machine for plastic bottle production according to claim 7, characterized in that: The lifting assembly includes a second screw rod, which is rotatably mounted on the base and threadedly connected to the lifting plate. A second limit rod is fixed to the base and slidably mounted on the lifting plate. A linkage assembly is provided between the second screw rod and the third screw rod.

9. The forming mold and bottle blowing machine for plastic bottle production according to claim 8, characterized in that: The linkage assembly comprises a turbine and a worm, wherein the worm is fixedly connected to the third screw, the turbine is fixedly connected to the second screw, and the turbine is meshed with the worm.

10. The forming mold and bottle blowing machine for plastic bottle production according to claim 1, characterized in that: A magnet is movably arranged on the limiting plate.